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LM4990 Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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LM4990 Datasheet(HTML) 4 Page - National Semiconductor (TI) |
4 / 19 page Absolute Maximum Ratings (Note 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage (Note 11) 6.0V Storage Temperature −65˚C to +150˚C Input Voltage −0.3V to V DD +0.3V Power Dissipation (Notes 3, 12) Internally Limited ESD Susceptibility (Note 4) 2000V ESD Susceptibility (Note 5) 200V Junction Temperature 150˚C Thermal Resistance θ JC (MSOP) 56˚C/W θ JA (MSOP) 190˚C/W θ JA (9 Bump micro SMD) (Note 15) 180˚C/W θ JA (LLP) 63˚C/W (Note 13) θ JC (LLP) 12˚C/W (Note 13) Soldering Information See AN-1187 "Leadless Leadframe Package (LLP)." Operating Ratings Temperature Range T MIN ≤ T A ≤ T MAX −40˚C ≤ T A ≤ 85˚C Supply Voltage 2.2V ≤ V DD ≤ 5.5V Electrical Characteristics V DD =5V (Notes 1, 2) The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for T A = 25˚C. Symbol Parameter Conditions LM4990 Units (Limits) Typical Limit (Note 6) (Notes 7, 9) I DD Quiescent Power Supply Current V IN = 0V, Io = 0A, No Load 3 7 mA (max) V IN = 0V, Io = 0A, 8 Ω Load 4 10 mA (max) I SD Shutdown Current V SD =VSD Mode (Note 8) 0.1 2.0 µA (max) V SDIH Shutdown Voltage Input High V SD MODE =VDD 1.5 V V SDIL Shutdown Voltage Input Low V SD MODE =VDD 1.3 V V SDIH Shutdown Voltage Input High V SD MODE = GND 1.5 V V SDIL Shutdown Voltage Input Low V SD MODE = GND 1.3 V V OS Output Offset Voltage 7 50 mV (max) R OUT Resistor Output to GND (Note 10) 8.5 9.7 k Ω (max) 7.0 k Ω (min) P o Output Power (8 Ω) THD+N = 1% (max); f = 1kHz 1.25 0.9 W (min) (4 Ω) (Notes 13, 14) THD+N = 1% (max); f = 1kHz 2 W T WU Wake-up time 100 ms THD+N+N Total Harmonic Distortion+Noise P o = 0.5Wrms; f = 1kHz 0.2 % PSRR Power Supply Rejection Ratio V ripple = 200mV sine p-p Input terminated with 10 Ω 60 (f = 217Hz) 64 (f = 1kHz) 55 dB (min) Electrical Characteristics V DD =3V (Notes 1, 2) The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for T A = 25˚C. Symbol Parameter Conditions LM4990 Units (Limits) Typical Limit (Note 6) (Notes 7, 9) I DD Quiescent Power Supply Current V IN = 0V, Io = 0A, No Load 2 7 mA (max) V IN = 0V, Io = 0A, 8 Ω Load 3 9 mA (max) I SD Shutdown Current V SD =VSD Mode (Note 8) 0.1 2.0 µA (max) V SDIH Shutdown Voltage Input High V SD MODE =VDD 1.1 V V SDIL Shutdown Voltage Input Low V SD MODE =VDD 0.9 V V SDIH Shutdown Voltage Input High V SD MODE = GND 1.3 V V SDIL Shutdown Voltage Input Low V SD MODE = GND 1.0 V V OS Output Offset Voltage 7 50 mV (max) R OUT Resistor Output to GND (Note 10) 8.5 9.7 k Ω (max) 7.0 k Ω (min) www.national.com 4 |
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